<!DOCTYPE html>
<title>container-type invalidation crash test</title>
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1878188">
<math>
  <malignmark id="target" style="container-type: size"/>
</math>
<script>
  onload = () => target.style.containerType = "inline-size"
</script>
